Finding the Fourth Proportional to 46,207,276.80, 69,310,915.20 and 12,132,067.20
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Solution
The fourth proportional to 46,207,276.80, 69,310,915.20 and 12,132,067.20 is: 18,198,100.80
Step by Step Solution
- Step 1: Write the proportion equation
46,207,276.80 : 69,310,915.20 = 12,132,067.20 : x - Step 2: Convert to fraction form
46,207,276.80/69,310,915.20 = 12,132,067.20/x - Step 3: Cross multiply
46,207,276.80x = 69,310,915.20 × 12,132,067.20 - Step 4: Simplify right side
46,207,276.80x = 840,884,680,899,901.38 - Step 5: Solve for x
x = 840,884,680,899,901.38/46,207,276.80 - Step 6: Final answer
x = 18,198,100.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.